\documentclass[10pt,a4paper]{article}
\usepackage[utf8x]{inputenc}
\usepackage{ucs}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{fullpage}
\author{Group 6}
\date{25/11/2011}
\title{\huge{INGI2255: Software engineering projet}\\[3cm]
The software architecture}
\usepackage{graphicx}
\setlength{\parindent}{0 em}
\newcommand{\op}{\quad} 
\newenvironment{module}[1]
  {\noindent\textbf{#1}\par \addtolength{\leftskip}{8 mm} }
  {\vspace{1.5 \baselineskip} }
\newenvironment{operations}
  { \par\noindent\textit{Operations} }
  { \par } 
\newcommand{\secret}[1]{\par\noindent\textit{Secret}\quad#1\par}
\addtolength{\parskip}{2 mm}

\begin{document}
\maketitle
\include{introduction}
\include{modules}
\include{description}
\include{development}
%\include{api}
\include{conclusion}

\end{document}
